单项选择题
In anchoring orders, up and down means（）.
A.the chain is not upright
B.the chain is tight
C.the chain is upright
D.the chain is slack
点击查看答案&解析
相关考题
-
单项选择题
In anchoring orders, walk back the chain means（）.
A.pay away the chain
B.take in the chain
C.check up the chain
D.take a strain on the chain -
单项选择题
In reading a weather map, closely spaced pressure gradient lines would indicate（）.
A.high winds
B.high overcast clouds
C.calm or light winds
D.fog or steady rain -
单项选择题
In restricted visibility, a vessel which detects by radar alone the presence of another vessel shall determine if a close quarters situation is developing or risk of collision exists. If so, she shall（）.
A.sound the danger signal
B.when taking action, make only course changes
C.avoid altering course toward a vessel abaft the beam
D.All of the above
